ATT_V_-_High_Mast_Poles_and_Foundations.docx
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- Attached to
- Open End Electrical Requirements Contract Federal contract opportunity
- Solicitation number
- W91151-16-B-0021
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Tech Exhibit ATT V - High Mast Poles and Foundations Specifications
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High Mast Poles and Foundations
High Mast Lighting shall be supported on 100-ft tall H6 Galvanized Steel Pole with Base Plate unless specified otherwise. Anchor Bolt Cage shall be provided by steel pole vendor. It will be the responsibility of the contractor to coordinate shipment and delivery of Steel Pole and Anchor Bolt Cage. Contractor shall coordinate mounting requirements with steel pole vendor.
High Mast foundation design will vary based on subsurface soil conditions. Contractor shall provide the proper foundation from the options below:
Drilled Shaft Constructed In Clay:
36” Diameter 4000PSI Concrete Drilled Shaft Foundation Embedded 27 Feet with 3-ft reveal (30-ft Total Length). Reinforced with 16 - #10 Grade 60 Longitudinal Bars and 10 - #4 Grade 60 Ties at 6” O.C. followed by #4 Grade 60 Ties evenly spaced at 20” Max. O.C. to bottom of shaft.
Drilled Shaft NOT Constructed In Clay:
36” Diameter 4000PSI Concrete Drilled Shaft Foundation Embedded 18 Feet with 3-ft reveal (21-ft Total Length). Reinforced with 16 - #10 Grade 60 Longitudinal Bars and 10 - #4 Grade 60 Ties at 6” O.C. followed by #4 Grade 60 Ties evenly spaced at 20” Max. O.C. to bottom of shaft.
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